260 lines
12 KiB
JavaScript
260 lines
12 KiB
JavaScript
"use strict";
|
|
|
|
const autoprefixer = require("autoprefixer");
|
|
const path = require("path");
|
|
const webpack = require("webpack");
|
|
const HtmlWebpackPlugin = require("html-webpack-plugin");
|
|
const CaseSensitivePathsPlugin = require("case-sensitive-paths-webpack-plugin");
|
|
const InterpolateHtmlPlugin = require("react-dev-utils/InterpolateHtmlPlugin");
|
|
const WatchMissingNodeModulesPlugin = require("react-dev-utils/WatchMissingNodeModulesPlugin");
|
|
const eslintFormatter = require("react-dev-utils/eslintFormatter");
|
|
const ModuleScopePlugin = require("react-dev-utils/ModuleScopePlugin");
|
|
const getClientEnvironment = require("./env");
|
|
const paths = require("./paths");
|
|
|
|
// Webpack uses `publicPath` to determine where the app is being served from.
|
|
// In development, we always serve from the root. This makes config easier.
|
|
const publicPath = "/";
|
|
// `publicUrl` is just like `publicPath`, but we will provide it to our app
|
|
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
|
|
// Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
|
|
const publicUrl = "";
|
|
// Get environment variables to inject into our app.
|
|
const env = getClientEnvironment(publicUrl);
|
|
|
|
// This is the development configuration.
|
|
// It is focused on developer experience and fast rebuilds.
|
|
// The production configuration is different and lives in a separate file.
|
|
module.exports = {
|
|
// You may want 'eval' instead if you prefer to see the compiled output in DevTools.
|
|
// See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
|
|
devtool: "cheap-module-source-map",
|
|
// These are the "entry points" to our application.
|
|
// This means they will be the "root" imports that are included in JS bundle.
|
|
// The first two entry points enable "hot" CSS and auto-refreshes for JS.
|
|
entry: [
|
|
// We ship a few polyfills by default:
|
|
require.resolve("./polyfills"),
|
|
// Include an alternative client for WebpackDevServer. A client's job is to
|
|
// connect to WebpackDevServer by a socket and get notified about changes.
|
|
// When you save a file, the client will either apply hot updates (in case
|
|
// of CSS changes), or refresh the page (in case of JS changes). When you
|
|
// make a syntax error, this client will display a syntax error overlay.
|
|
// Note: instead of the default WebpackDevServer client, we use a custom one
|
|
// to bring better experience for Create React App users. You can replace
|
|
// the line below with these two lines if you prefer the stock client:
|
|
// require.resolve('webpack-dev-server/client') + '?/',
|
|
// require.resolve('webpack/hot/dev-server'),
|
|
require.resolve("react-dev-utils/webpackHotDevClient"),
|
|
// Finally, this is your app's code:
|
|
paths.appIndexJs,
|
|
// We include the app code last so that if there is a runtime error during
|
|
// initialization, it doesn't blow up the WebpackDevServer client, and
|
|
// changing JS code would still trigger a refresh.
|
|
],
|
|
output: {
|
|
// Add /* filename */ comments to generated require()s in the output.
|
|
pathinfo: true,
|
|
// This does not produce a real file. It's just the virtual path that is
|
|
// served by WebpackDevServer in development. This is the JS bundle
|
|
// containing code from all our entry points, and the Webpack runtime.
|
|
filename: "static/js/bundle.js",
|
|
// There are also additional JS chunk files if you use code splitting.
|
|
chunkFilename: "static/js/[name].chunk.js",
|
|
// This is the URL that app is served from. We use "/" in development.
|
|
publicPath: publicPath,
|
|
// Point sourcemap entries to original disk location (format as URL on Windows)
|
|
devtoolModuleFilenameTemplate: (info) =>
|
|
path.resolve(info.absoluteResourcePath).replace(/\\/g, "/"),
|
|
},
|
|
resolve: {
|
|
// This allows you to set a fallback for where Webpack should look for modules.
|
|
// We placed these paths second because we want `node_modules` to "win"
|
|
// if there are any conflicts. This matches Node resolution mechanism.
|
|
// https://github.com/facebookincubator/create-react-app/issues/253
|
|
modules: ["node_modules", paths.appNodeModules].concat(
|
|
// It is guaranteed to exist because we tweak it in `env.js`
|
|
process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
|
|
),
|
|
// These are the reasonable defaults supported by the Node ecosystem.
|
|
// We also include JSX as a common component filename extension to support
|
|
// some tools, although we do not recommend using it, see:
|
|
// https://github.com/facebookincubator/create-react-app/issues/290
|
|
// `web` extension prefixes have been added for better support
|
|
// for React Native Web.
|
|
extensions: [".web.js", ".mjs", ".js", ".json", ".web.jsx", ".jsx"],
|
|
alias: {
|
|
// Support React Native Web
|
|
// https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
|
|
"react-native": "react-native-web",
|
|
},
|
|
plugins: [
|
|
// Prevents users from importing files from outside of src/ (or node_modules/).
|
|
// This often causes confusion because we only process files within src/ with babel.
|
|
// To fix this, we prevent you from importing files out of src/ -- if you'd like to,
|
|
// please link the files into your node_modules/ and let module-resolution kick in.
|
|
// Make sure your source files are compiled, as they will not be processed in any way.
|
|
new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
|
|
],
|
|
},
|
|
module: {
|
|
strictExportPresence: true,
|
|
rules: [
|
|
// TODO: Disable require.ensure as it's not a standard language feature.
|
|
// We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
|
|
// { parser: { requireEnsure: false } },
|
|
|
|
// First, run the linter.
|
|
// It's important to do this before Babel processes the JS.
|
|
{
|
|
test: /\.(js|jsx|mjs)$/,
|
|
enforce: "pre",
|
|
use: [
|
|
{
|
|
options: {
|
|
formatter: eslintFormatter,
|
|
eslintPath: require.resolve("eslint"),
|
|
},
|
|
loader: require.resolve("eslint-loader"),
|
|
},
|
|
],
|
|
include: paths.appSrc,
|
|
},
|
|
{
|
|
// "oneOf" will traverse all following loaders until one will
|
|
// match the requirements. When no loader matches it will fall
|
|
// back to the "file" loader at the end of the loader list.
|
|
oneOf: [
|
|
// "url" loader works like "file" loader except that it embeds assets
|
|
// smaller than specified limit in bytes as data URLs to avoid requests.
|
|
// A missing `test` is equivalent to a match.
|
|
{
|
|
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
|
|
loader: require.resolve("url-loader"),
|
|
options: {
|
|
limit: 10000,
|
|
name: "static/media/[name].[hash:8].[ext]",
|
|
},
|
|
},
|
|
// Process JS with Babel.
|
|
{
|
|
test: /\.(js|jsx|mjs)$/,
|
|
include: paths.appSrc,
|
|
loader: require.resolve("babel-loader"),
|
|
options: {
|
|
// This is a feature of `babel-loader` for webpack (not Babel itself).
|
|
// It enables caching results in ./node_modules/.cache/babel-loader/
|
|
// directory for faster rebuilds.
|
|
cacheDirectory: true,
|
|
},
|
|
},
|
|
// "postcss" loader applies autoprefixer to our CSS.
|
|
// "css" loader resolves paths in CSS and adds assets as dependencies.
|
|
// "style" loader turns CSS into JS modules that inject <style> tags.
|
|
// In production, we use a plugin to extract that CSS to a file, but
|
|
// in development "style" loader enables hot editing of CSS.
|
|
{
|
|
test: /\.css$/,
|
|
use: [
|
|
require.resolve("style-loader"),
|
|
{
|
|
loader: require.resolve("css-loader"),
|
|
options: {
|
|
importLoaders: 1,
|
|
},
|
|
},
|
|
{
|
|
loader: require.resolve("postcss-loader"),
|
|
options: {
|
|
// Necessary for external CSS imports to work
|
|
// https://github.com/facebookincubator/create-react-app/issues/2677
|
|
ident: "postcss",
|
|
plugins: () => [
|
|
require("postcss-flexbugs-fixes"),
|
|
autoprefixer({
|
|
browsers: [
|
|
">1%",
|
|
"last 4 versions",
|
|
"Firefox ESR",
|
|
"not ie < 9", // React doesn't support IE8 anyway
|
|
],
|
|
flexbox: "no-2009",
|
|
}),
|
|
],
|
|
},
|
|
},
|
|
],
|
|
},
|
|
// "file" loader makes sure those assets get served by WebpackDevServer.
|
|
// When you `import` an asset, you get its (virtual) filename.
|
|
// In production, they would get copied to the `build` folder.
|
|
// This loader doesn't use a "test" so it will catch all modules
|
|
// that fall through the other loaders.
|
|
{
|
|
// Exclude `js` files to keep "css" loader working as it injects
|
|
// its runtime that would otherwise processed through "file" loader.
|
|
// Also exclude `html` and `json` extensions so they get processed
|
|
// by webpacks internal loaders.
|
|
exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
|
|
loader: require.resolve("file-loader"),
|
|
options: {
|
|
name: "static/media/[name].[hash:8].[ext]",
|
|
},
|
|
},
|
|
],
|
|
},
|
|
// ** STOP ** Are you adding a new loader?
|
|
// Make sure to add the new loader(s) before the "file" loader.
|
|
],
|
|
},
|
|
plugins: [
|
|
// Makes some environment variables available in index.html.
|
|
// The public URL is available as %PUBLIC_URL% in index.html, e.g.:
|
|
// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
|
|
// In development, this will be an empty string.
|
|
new InterpolateHtmlPlugin(env.raw),
|
|
// Generates an `index.html` file with the <script> injected.
|
|
new HtmlWebpackPlugin({
|
|
inject: true,
|
|
template: paths.appHtml,
|
|
}),
|
|
// Add module names to factory functions so they appear in browser profiler.
|
|
new webpack.NamedModulesPlugin(),
|
|
// Makes some environment variables available to the JS code, for example:
|
|
// if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
|
|
new webpack.DefinePlugin(env.stringified),
|
|
// This is necessary to emit hot updates (currently CSS only):
|
|
new webpack.HotModuleReplacementPlugin(),
|
|
// Watcher doesn't work well if you mistype casing in a path so we use
|
|
// a plugin that prints an error when you attempt to do this.
|
|
// See https://github.com/facebookincubator/create-react-app/issues/240
|
|
new CaseSensitivePathsPlugin(),
|
|
// If you require a missing module and then `npm install` it, you still have
|
|
// to restart the development server for Webpack to discover it. This plugin
|
|
// makes the discovery automatic so you don't have to restart.
|
|
// See https://github.com/facebookincubator/create-react-app/issues/186
|
|
new WatchMissingNodeModulesPlugin(paths.appNodeModules),
|
|
// Moment.js is an extremely popular library that bundles large locale files
|
|
// by default due to how Webpack interprets its code. This is a practical
|
|
// solution that requires the user to opt into importing specific locales.
|
|
// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
|
|
// You can remove this if you don't use Moment.js:
|
|
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
|
|
],
|
|
// Some libraries import Node modules but don't use them in the browser.
|
|
// Tell Webpack to provide empty mocks for them so importing them works.
|
|
node: {
|
|
dgram: "empty",
|
|
fs: "empty",
|
|
net: "empty",
|
|
tls: "empty",
|
|
child_process: "empty",
|
|
},
|
|
// Turn off performance hints during development because we don't do any
|
|
// splitting or minification in interest of speed. These warnings become
|
|
// cumbersome.
|
|
performance: {
|
|
hints: false,
|
|
},
|
|
};
|